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The ornamental design for a keyboard and display unit for an information retrieval device or similar article, as shown and described. |
FIG. 1 is a perspective view of a keyboard and display unit for an information retrieval device or similar article showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left end elevational view thereof;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a bottom plan view thereof; and
FIG. 8 is a sectional view taken on line 8--8 of FIG. 2, with utilitarian internal structure shown as if homogenous.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 17 1978 | Lexicon Corporation | (assignment on the face of the patent) | / | |||
Jan 05 1984 | Lexicon Corporation | Sharp Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004222 | /0847 |
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